Home / 126,008,998.20-188,800,920.90-61,173,196.20

Finding the Fourth Proportional to 126,008,998.20, 188,800,920.90 and 61,173,196.20

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Solution

The fourth proportional to 126,008,998.20, 188,800,920.90 and 61,173,196.20 is: 91,656,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,008,998.20 : 188,800,920.90 = 61,173,196.20 : x
  2. Step 2: Convert to fraction form
    126,008,998.20/188,800,920.90 = 61,173,196.20/x
  3. Step 3: Cross multiply
    126,008,998.20x = 188,800,920.90 × 61,173,196.20
  4. Step 4: Simplify right side
    126,008,998.20x = 11,549,555,776,956,382
  5. Step 5: Solve for x
    x = 11,549,555,776,956,382/126,008,998.20
  6. Step 6: Final answer
    x = 91,656,595.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.